package com.jingdianjichi.subject.application.controller;


import com.alibaba.fastjson.JSON;
import com.baomidou.mybatisplus.core.toolkit.StringUtils;
import com.google.common.base.Preconditions;
import com.jingdianjichi.subject.application.convert.SubjectAnswerDTOConverter;
import com.jingdianjichi.subject.application.convert.SubjectCategoryDTOConverter;

import com.jingdianjichi.subject.application.convert.SubjectInfoDTOConverter;
import com.jingdianjichi.subject.application.dto.SubjectInfoDTO;
import com.jingdianjichi.subject.common.entity.PageResult;
import com.jingdianjichi.subject.common.entity.Result;
import com.jingdianjichi.subject.entity.SubjectAnswerBO;
import com.jingdianjichi.subject.entity.SubjectCategoryBO;

import com.jingdianjichi.subject.entity.SubjectInfoBO;
import com.jingdianjichi.subject.infra.basic.service.SubjectCategoryService;
import com.jingdianjichi.subject.service.SubjectInfoDomainService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.util.CollectionUtils;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import java.util.List;

/**
 * 刷题controller
 */
@RestController
@Slf4j
@RequestMapping("/subject")
public class SubjectController {

    @Resource
    private SubjectInfoDomainService subjectInfoDomainService;


    @PostMapping("/add")
    public Result<Boolean> add(@RequestBody SubjectInfoDTO subjectInfoDTO){


        try {
            if(log.isInfoEnabled()) {
                log.info("SubjectController.add.dto:{}", JSON.toJSONString(subjectInfoDTO));
            }
            //断言参数校验Precondition
            Preconditions.checkArgument(!StringUtils.isBlank(subjectInfoDTO.getSubjectName()),"题目名称不能为空");
            Preconditions.checkArgument(!CollectionUtils.isEmpty(subjectInfoDTO.getCategoryIds()),"分类id不能为空");
            Preconditions.checkArgument(!CollectionUtils.isEmpty(subjectInfoDTO.getLabelIds()),"标签id不能为空");
            Preconditions.checkNotNull(subjectInfoDTO.getSubjectDifficult(),"难度不能为空");
            Preconditions.checkNotNull(subjectInfoDTO.getSubjectType(),"题目类型不能为空");
            Preconditions.checkNotNull(subjectInfoDTO.getSubjectScore(),"题目分数不能为空");

            SubjectInfoBO subjectInfoBO= SubjectInfoDTOConverter.Instance.convertDTOToBO(subjectInfoDTO);
            List<SubjectAnswerBO> subjectAnswerBOS = SubjectAnswerDTOConverter.Instance.converDTOToBOList(subjectInfoDTO.getOptionList());
            subjectInfoBO.setOptionList(subjectAnswerBOS);

            subjectInfoDomainService.add(subjectInfoBO);

            return Result.ok(true);
        } catch (Exception e) {
            log.error("SubjectCategoryController.add.error:{}",e.getMessage(),e);
            return Result.fail(e.getMessage());
        }
    }

    @PostMapping("/getSubjectPage")
    public Result<PageResult<SubjectInfoDTO>> getSubjectPage(@RequestBody SubjectInfoDTO subjectInfoDTO){
        try {
            if(log.isInfoEnabled()) {
                log.info("SubjectController.getSubjectPage.dto:{}", JSON.toJSONString(subjectInfoDTO));
            }
            //断言参数校验Precondition
            Preconditions.checkNotNull(subjectInfoDTO.getCategoryId(),"分类id不能为空");
            Preconditions.checkNotNull(subjectInfoDTO.getLabelId(),"标签id不能为空");

            SubjectInfoBO subjectInfoBO= SubjectInfoDTOConverter.Instance.convertDTOToBO(subjectInfoDTO);
            PageResult<SubjectInfoBO> BOPages= subjectInfoDomainService.getSubjectPage(subjectInfoBO);
            PageResult<SubjectInfoDTO> pageResults = SubjectInfoDTOConverter.Instance.convertBOToDTO(BOPages);
            return Result.ok(pageResults);
        } catch (Exception e) {
            log.error("SubjectCategoryController.add.error:{}",e.getMessage(),e);
            return Result.fail("查询题目失败");
        }
    }

    @PostMapping("/querySubjectInfo")
    public Result<PageResult<SubjectInfoDTO>> querySubjectInfo(@RequestBody SubjectInfoDTO subjectInfoDTO){
        try {
            if(log.isInfoEnabled()) {
                log.info("SubjectController.querySubjectInfo.dto:{}", JSON.toJSONString(subjectInfoDTO));
            }
            //断言参数校验Precondition
            Preconditions.checkNotNull(subjectInfoDTO.getId(),"id不能为空");

            SubjectInfoBO subjectInfoBO= SubjectInfoDTOConverter.Instance.convertDTOToBO(subjectInfoDTO);
            //根据id查
            SubjectInfoBO subjectInfoBO1=subjectInfoDomainService.querySubjectInfo(subjectInfoBO);
            if(subjectInfoBO1==null)
                return Result.fail("题目不存在");
            //结果转
            SubjectInfoDTO subjectInfoDTO1 = SubjectInfoDTOConverter.Instance.convertBOToDTO(subjectInfoBO1);
            return Result.ok(subjectInfoDTO1);
        } catch (Exception e) {
            log.error("SubjectCategoryController.add.error:{}",e.getMessage(),e);
            return Result.fail("查询题目失败");
        }
    }
}
